Danfoss VLT 3000 Series Product Manual page 116

Parameter description
503
Coasting
(Coast)
504
Q-stop
(Q-stop)
505
DC-brake
(DC brake)
506
Start
(Start)
507
Direction
(Direction)
508
Reset
(Reset)
509
Setup select
(Setup select)
510
Digital speed select
(speed select)
116
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
Value:
Digital (digital)
Bus (bus)
Logic and (and)
Logic or (or)
= Factory setting. Text in ( ) = Display text.
The figures in [ ] are used in bus communication
®
MG.30.A7.02 - VLT is a registered Danfoss trademark
5..Serial communication
Function:
[0]
The parameters are used to determine
[1]
priority of control commands from serial
[2]
bus communication (control word p. 75) in
[3]
relation to the same control commands to
the digital inputs.
Description of choices:
[0]
Digital is selected if the control command is
[1]
only to be activated via a digital input.
[2]
Bus is selected if the control command is
[3]
only to be activated via a bit in the control
word (serial bus communication).
Logic and is selected if the control com-
[0]
mand is only to be activated when the
[1]
signal is active from both the control word
[2]
and digital input. Active signal "1".
[3]
Digital input Control word
0
0
[0]
1
1
[1]
[2]
[3]
Logic or is selected if the control com-
mand is to be activated when the signal is
active from either the control word or digital
input. Active signal "1".
[0]
[1]
Digital input Control word
[2]
0
[3]
0
1
1
[0]
Note:
[1]
Parameters 503-505 concern stop func-
[2]
tions, see example re parameter 503 (free-
[3]
wheeling) below. Active stop signal "0".
Parameter 503 = Logic and
Digital input Control word
[0]
0
[1]
0
[2]
1
[3]
1
Parameter 503 = Logic or
[0]
Digital input Control word
[1]
0
[2]
0
[3] 1
1
Contr.command
0 0
1 0
0 0
1 1
Contr.command
0 0
1 1
0 1
1 1
Contr.command
0 Free-wheeling
1 Motor running
0 Motor running
1 Motor running
Contr.commando
0 Free-wheeling
1 Free-wheeling
0 Free-wheeling
1 Motor running